John b



(No Model.

J. B. O RNWALL.

GUT-OFF GA R BOLTING GHESTS. I v No. 371,438. Patented Oct. 11.-1887 mr F? i JOHN B. OORNWVALL, OF MOLINE, ILLINOIS, ASSIGNOR TO THE BARNARD & LEAS MANUFACTURING COMPANY, OF SAME PLACE.

CUT-OFF GATE FOR BOLTING-CHESTS.

SPECIFICATION forming part of Letters Patent No. 371,433, dated October 11, 1887.

' Appieation filed April 19, 1887.

To aZZ whom it mag concern.-

Be it known that 1, JOHN B. CORNWALL, of Moline, in the county of Rock Island and State of Illinois, haveinvented certain new and usefulIinprovementsin Gut Otf Gates for Bolting- Chests; and I do hereby declare that the following is a full, clear, and exact description thereof, reference being had to the accompanying drawings, and to the letters of reterence marked thereon,which form part of this specification, in which Figure 1 is a cross vertical section through a portion ofa bolting-reel chest having my improved cut otf gates applied. Fig. 2 is a detail longitudinal section through one of the gates and its side pieces. Fig. 3 is a view of a gate detached. Fig. 4 is a detail cross sectional view of the gate, showing it in different positions in dotted lines. I

This invention relates to improvements in cut-off gates or valves for the chests of bolting reels; audit has for its objects to provide an easily applied or removed gate, which, when in place, can be turned to direct the flow of material to either side of the chest, as is necessary, to cause the proper gradation of the flour or other material being bolted.

To these ends the invention consists in the peculiar and novel construction of the gates and the hanging or hinging of the same, as will be fully understood from the following description, when taken in connection with the accompanying drawings, and particularly specified in the appended claims.

In the drawings, A designates an ordinary bolting-reel easing, having the bolt B rotating in its upper portion between downwardly-converging sides or chutes, C, which direct the material escaping through the meshes of the bolt into the conveyor box or chest D, which is situated at the base of the casing and is'divided longitudinally by a vertical partition, (1, into two chambers, IV and Y, in which are situated two operatingconveyers of suitable construction, and adapted to cause the material entering either chamber to be delivered outside of the easing into proper receivers, as usual.

Above the partition (2 and below the ends of chutes O are placed the cut-off gates or Serial No 235,318, (No model.)

valves E, arranged in a longitudinal series and separated from each other by the horizontal transverse partition-boards F F, which also form the end hearings or sides for each gate E, the intern'iediate boards, F, forming the opposite ends of two adjoining gates.

G designates a narrow strip running longitudinally upon the top of partition 01.

H H represent similar opposite longitudinal strips secured to the upper edges of boards F F, outside of the lower ends of chutes O (l, and serving to keep the'lower ends of these chutes and the gates E in proper relative position.

The gates E are of general rectangular form, preferably made of wood, and having their side edges provided with a central vertical channel or groove, 0, as shown.

I I designate pins or studs secured to the boards F F vertically above partition (I, and standing inward toward each other from the sides of the adjoining boards, being placed above strip G a distance corresponding to about one-third of the height of gates E. The gates are placed in position between boards F by engaging their-grooved side edges with the pins I I, as shown, and it is obvious that as the grooves c of the gates are not closed at bottom, though they may be at top, the gates, when turned to the central position shown in Fig. 4 in dotted lines, can be readily lifted out of or put in place. The top and bottom sides of the gates are double-beveled, as shown, so that when a gate is properly adjusted to direct the material into one chamber, \V or Y, the upper outer edge will lie close under the lower edges of chutes O, by reason of one bevel of its edge, and by reason of the opposite inner bevel on said edge will lie close against the edge of strip H and prevent the escaping of any material over the upper edge of the gate into the other chamber. The lower edge of the gate is similarly beveled, so that when turned to either side the gate will be directed forward and downward until its beveled edge rests flush against the upper surface of strip 5 G, the situation of pins I I and width of grooves e e causing the gate to assume such position automatically. When in such position shown in Figs. 1 and 4, the gates will be locked or firmly held against vertical rotary no movement because the beveled lower edge of the gate will cause its grooves e to bind by their side edges against pins F, and form a fulcrum upon which the gates would have to turn, and in so doing its beveled edge would at once bind on the face of strip G, and prevent its moving, so that in order to shift the gate after it has assumed this position it is necessary to forcibly lift the gate in the direction of its inclination, until its beveled edge is shifted sufficiently to permitthe gate to be turned on its pivot-pinsl' I, and raised to a vertical position for removal or shifted to the opposite side to ehangethe delivery of the material.

The gate is made of sufficient width to fit snugly between the boards F F and prevent the escape ofbolted material between their edges and the boards. The intermediate boards, F, may be made angular to conform to the opposite inclinations of the gates, and supported by the partition (I and strip G alone; or their ends may be extended to rest upon the outer sides of the chests D, as shown.

It is obvious from the foregoing description that I have a readily applied or removed shifting gate or cut-oil, which is cheaply and easily made and is effective in operation.

Having described my invention, I claim 1. The rectangular adjustable gates E, each having grooves e e in its side edges, in oombination with the pins H, secured to the-partitionboards between the gates and upon which the latter are mounted, and the longitudinal supportingstrip G, all constructed and arranged substantially in the manner and for the purpose described.

2. The combination, with a bolting-reel casing having inclined chutes O O, and a conveyer-ehest below these chutes divided into longitudinal compartments by a vertical partition, of the series of gates E, having grooves e e in their sides, adapted to engage suitable pins secured to the transverse side boards, F F, and support and hinge the gate thereon, substantially as and for the purpose specified.

3. The combinatiomwith the chutes O O, of a bolting-reel, the conveyer-chest D below the chutes, and vertical partition (1 in said chest,

the horizontal strip G, secured to the upper edge ofthe partitiond, and the transverse boards F F, secured to-said strip and having longitudinal braces H H, the gates E, having grooves e 6, adj ustably secured by said grooves and pins I, between the boards F F, above strip G, all constructed and arranged substantially in the manner andfor the purpose specified.

In testimony that I claim the foregoing as my own I affix my signature in presence of two witnesses.

JOHN B. CORNWALL.

Witnesses:

J. S. LEAS, W. H. HILLHOUSE. 

